Fixing up imports (I've been falling down on my job).

Note:  I didn't touch routerconsole since it isn't done (I believe)
-- Love, shendaras

router/java/src/net/i2p/data/i2np/DatabaseLookupMessage.java

@@ -19,7 +19,6 @@ import net.i2p.I2PAppContext;
 import net.i2p.data.DataFormatException;
 import net.i2p.data.DataHelper;
 import net.i2p.data.Hash;
-import net.i2p.data.RouterInfo;
 import net.i2p.data.TunnelId;
 import net.i2p.util.Log;